Index: wflow-py/wflow/reservoir_Su.py
===================================================================
diff -u -rf33154035afcaa101c5a30594b9c86a4fe9f61ef -rb90c267fae9ec3423464cf9b6c7a9bcbcd45d3a0
--- wflow-py/wflow/reservoir_Su.py	(.../reservoir_Su.py)	(revision f33154035afcaa101c5a30594b9c86a4fe9f61ef)
+++ wflow-py/wflow/reservoir_Su.py	(.../reservoir_Su.py)	(revision b90c267fae9ec3423464cf9b6c7a9bcbcd45d3a0)
@@ -78,10 +78,10 @@
     Storage in unsaturated zone = 0.
     """
     self.Qu_[k] = max(self.Pe_[k], 0)
-    self.Eu_[k] = 0.
-    self.Perc_[k] = 0.
-    self.Su[k] = 0.
-    self.Cap_[k] = 0.
+    self.Eu_[k] = 0.0
+    self.Perc_[k] = 0.0
+    self.Su[k] = 0.0
+    self.Cap_[k] = 0.0
     self.wbSu_[k] = (
         self.Pe - self.Eu - self.Qu - self.Perc + self.Cap - self.Su[k] + self.Su_t[k]
     )